3940640

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2239}}^1$

素因数の和:2265

約数の個数: 48

約数和(自身を含む): 10160640

約数和(自身を除く): 6220000

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 2239, 4478, 8956, 11195, 17912, 22390, 24629, 35824, 44780, 49258, 71648, 89560, 98516, 123145, 179120, 197032, 246290, 358240, 394064, 492580, 788128, 985160, 1970320, 3940640]

約数ペア:

[(1, 3940640), (2, 1970320), (4, 985160), (5, 788128), (8, 492580), (10, 394064), (11, 358240), (16, 246290), (20, 197032), (22, 179120), (32, 123145), (40, 98516), (44, 89560), (55, 71648), (80, 49258), (88, 44780), (110, 35824), (160, 24629), (176, 22390), (220, 17912), (352, 11195), (440, 8956), (880, 4478), (1760, 2239)]